Allow sel_ldr to continue without the IRT, when nexe doesn't have segment gap

src/trusted/service_runtime/nacl_text.h

Index: src/trusted/service_runtime/nacl_text.h
diff --git a/src/trusted/service_runtime/nacl_text.h b/src/trusted/service_runtime/nacl_text.h
index 767157d333b70d03b9be92d1a58bb977e162c9cc..699d18b24ae3b0910b87f0a44aa1d305ec7a5db7 100644
--- a/src/trusted/service_runtime/nacl_text.h
+++ b/src/trusted/service_runtime/nacl_text.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 The Native Client Authors. All rights reserved.
+ * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
@@ -52,6 +52,8 @@ int32_t NaClTextSysDyncode_Delete(struct NaClAppThread *natp,
                                   uint32_t             dest,
                                   uint32_t             size);
 
+int32_t NaClHasSegmentGapForDyncode(struct NaClApp *nap);
+
 EXTERN_C_END
 
 #endif